/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2019 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.tencent.devops.common.websocket.dispatch

import com.tencent.devops.common.event.annotation.Event
import com.tencent.devops.common.event.dispatcher.EventDispatcher
import com.tencent.devops.common.websocket.dispatch.push.WebsocketPush
import com.tencent.devops.common.websocket.utils.RedisUtlis
import org.slf4j.LoggerFactory
import org.springframework.amqp.rabbit.core.RabbitTemplate

class WebSocketDispatcher(
    private val rabbitTemplate: RabbitTemplate
) : EventDispatcher<WebsocketPush> {

    companion object {
        val logger = LoggerFactory.getLogger(this::class.java)
    }

    override fun dispatch(vararg events: WebsocketPush) {
        try {
            events.forEach { event ->
                val eventType = event::class.java.annotations.find { s -> s is Event } as Event
                val routeKey = eventType.routeKey
                val mqMessage = event.buildMqMessage()
                if (mqMessage?.sessionList != null && mqMessage.sessionList!!.isNotEmpty()) {
                    event.buildNotifyMessage(mqMessage)
                    logger.info("[WebsocketDispatcher]:mqMessageType:${mqMessage.javaClass},page:${mqMessage.page}, sessionList:${mqMessage.sessionList}")
                    rabbitTemplate.convertAndSend(eventType.exchange, routeKey, mqMessage) { message ->
                        if (eventType.delayMills > 0) { // 事件类型固化默认值
                            message.messageProperties.setHeader("x-delay", eventType.delayMills)
                        }
                        message
                    }
                } else {
                    val sessionList =
                        RedisUtlis.getSessionListFormPageSessionByPage(event.redisOperation, event.page ?: "")
                    logger.debug("page:${event.page},sessionList:$sessionList,bug nobody load page")
                }
            }
        } catch (e: Exception) {
            logger.error("Fail to dispatch the event($events)", e)
        }
    }
}